NO339213B1 - Framgangsmåte for å regulere inversjonen av et borefluid, samt fremgangsmåte for å regulere fuktbarheten av en filterkake. - Google Patents
Framgangsmåte for å regulere inversjonen av et borefluid, samt fremgangsmåte for å regulere fuktbarheten av en filterkake. Download PDFInfo
- Publication number
- NO339213B1 NO339213B1 NO20054062A NO20054062A NO339213B1 NO 339213 B1 NO339213 B1 NO 339213B1 NO 20054062 A NO20054062 A NO 20054062A NO 20054062 A NO20054062 A NO 20054062A NO 339213 B1 NO339213 B1 NO 339213B1
- Authority
- NO
- Norway
- Prior art keywords
- fluid
- delayed phase
- phase change
- drilling
- change agent
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 125
- 238000005553 drilling Methods 0.000 title claims abstract description 48
- 239000012065 filter cake Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 230000003111 delayed effect Effects 0.000 claims abstract description 44
- -1 alkali metal salts Chemical class 0.000 claims abstract description 28
- 150000001412 amines Chemical class 0.000 claims abstract description 28
- 239000004094 surface-active agent Substances 0.000 claims abstract description 27
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000006187 pill Substances 0.000 claims abstract description 15
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 3
- 230000008859 change Effects 0.000 claims description 37
- 239000003623 enhancer Substances 0.000 claims description 12
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 7
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 7
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 150000001447 alkali salts Chemical class 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 4
- 239000000700 radioactive tracer Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 229960001484 edetic acid Drugs 0.000 abstract description 8
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 abstract description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical class OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 abstract 2
- 239000000839 emulsion Substances 0.000 description 60
- 239000003921 oil Substances 0.000 description 27
- 239000000203 mixture Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000005755 formation reaction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000005588 protonation Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 229920006122 polyamide resin Polymers 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000000344 soap Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000000080 wetting agent Substances 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003760 tallow Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- KCIDZIIHRGYJAE-YGFYJFDDSA-L dipotassium;[(2r,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] phosphate Chemical class [K+].[K+].OC[C@H]1O[C@H](OP([O-])([O-])=O)[C@H](O)[C@@H](O)[C@H]1O KCIDZIIHRGYJAE-YGFYJFDDSA-L 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000003784 tall oil Substances 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000002535 acidifier Substances 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229910052923 celestite Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- QLBHNVFOQLIYTH-UHFFFAOYSA-L dipotassium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [K+].[K+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O QLBHNVFOQLIYTH-UHFFFAOYSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 229940058180 edetate dipotassium anhydrous Drugs 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002462 imidazolines Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- TUFJPPAQOXUHRI-KTKRTIGZSA-N n'-[(z)-octadec-9-enyl]propane-1,3-diamine Chemical compound CCCCCCCC\C=C/CCCCCCCCNCCCN TUFJPPAQOXUHRI-KTKRTIGZSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000003340 retarding agent Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
- C09K8/36—Water-in-oil emulsions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/26—Oil-in-water emulsions
- C09K8/28—Oil-in-water emulsions containing organic additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/927—Well cleaning fluid
- Y10S507/929—Cleaning organic contaminant
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31992203P | 2003-02-03 | 2003-02-03 | |
| PCT/US2004/002969 WO2004069958A1 (fr) | 2003-02-03 | 2004-02-03 | Agent de changement de phase retarde pour fluide de forage a emulsion inverse |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20054062D0 NO20054062D0 (no) | 2005-09-01 |
| NO20054062L NO20054062L (no) | 2005-11-03 |
| NO339213B1 true NO339213B1 (no) | 2016-11-14 |
Family
ID=32849480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20054062A NO339213B1 (no) | 2003-02-03 | 2005-09-01 | Framgangsmåte for å regulere inversjonen av et borefluid, samt fremgangsmåte for å regulere fuktbarheten av en filterkake. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7152697B2 (fr) |
| EP (1) | EP1646702B1 (fr) |
| AT (1) | ATE362499T1 (fr) |
| BR (1) | BRPI0407194B1 (fr) |
| CA (1) | CA2514592C (fr) |
| DE (1) | DE602004006515T2 (fr) |
| EA (1) | EA009065B1 (fr) |
| MX (1) | MXPA05008070A (fr) |
| NO (1) | NO339213B1 (fr) |
| WO (1) | WO2004069958A1 (fr) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7188676B2 (en) | 2004-09-02 | 2007-03-13 | Bj Services Company | Method for displacing oil base drilling muds and/or residues from oil base drilling mud using water-in-oil emulsion |
| US20100200237A1 (en) * | 2009-02-12 | 2010-08-12 | Colgate Sam O | Methods for controlling temperatures in the environments of gas and oil wells |
| US20100236784A1 (en) * | 2009-03-20 | 2010-09-23 | Horton Robert L | Miscible stimulation and flooding of petroliferous formations utilizing viscosified oil-based fluids |
| US20100243242A1 (en) * | 2009-03-27 | 2010-09-30 | Boney Curtis L | Method for completing tight oil and gas reservoirs |
| US20100252259A1 (en) * | 2009-04-01 | 2010-10-07 | Horton Robert L | Oil-based hydraulic fracturing fluids and breakers and methods of preparation and use |
| WO2010148226A2 (fr) * | 2009-06-17 | 2010-12-23 | M-I L.L.C. | Application de fibres dégradables dans des fluides en émulsion inverse pour la réduction des pertes de fluide |
| US8413745B2 (en) | 2009-08-11 | 2013-04-09 | Baker Hughes Incorporated | Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters |
| US20110186293A1 (en) * | 2010-02-01 | 2011-08-04 | Gurmen M Nihat | Use of reactive solids and fibers in wellbore clean-out and stimulation applications |
| US9045675B2 (en) | 2011-02-15 | 2015-06-02 | Schlumberger Technology Corporation | Non-aqueous, acid soluble, high-density completion fluids and process |
| US20130133886A1 (en) * | 2011-06-17 | 2013-05-30 | Baker Hughes Incorporated | Time-delay Fluids for Wellbore Cleanup |
| US9115304B2 (en) | 2012-04-09 | 2015-08-25 | Halliburton Energy Services, Inc. | Wellbore servicing fluid system and methods of use |
| AU2013246410B2 (en) * | 2012-04-09 | 2015-06-04 | Halliburton Energy Services, Inc. | Wellbore servicing fluid system and methods of use |
| EP2836675A4 (fr) | 2012-04-09 | 2015-10-07 | Mi Llc | Chauffage déclenché de fluides de puits de forage par des nanomatières à base de carbone |
| RU2507371C1 (ru) * | 2012-08-17 | 2014-02-20 | Общество с ограниченной ответственностью "ЛУКОЙЛ-Инжиниринг" (ООО "ЛУКОЙЛ-Инжиниринг") | Способ строительства горизонтальных скважин в интервалах неустойчивых отложений (варианты) |
| GB2562967B (en) * | 2016-02-19 | 2022-05-18 | Schlumberger Technology Bv | Reversible oil-based mud |
| WO2020041114A1 (fr) * | 2018-08-21 | 2020-02-27 | Arc Products, Inc. | Conversion d'émulsions inverses en émulsions à l'aide de sels polyvalents d'acides faibles polymères |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6218342B1 (en) * | 1996-08-02 | 2001-04-17 | M-I Llc | Oil-based drilling fluid |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US161148A (en) * | 1875-03-23 | Improvement in bronze-liquids | ||
| US5439056A (en) * | 1993-06-28 | 1995-08-08 | Shell Oil Company | Coal slag solidification of drilling fluid |
| US6806233B2 (en) * | 1996-08-02 | 2004-10-19 | M-I Llc | Methods of using reversible phase oil based drilling fluid |
| US6849581B1 (en) * | 1999-03-30 | 2005-02-01 | Bj Services Company | Gelled hydrocarbon compositions and methods for use thereof |
| US6631764B2 (en) * | 2000-02-17 | 2003-10-14 | Schlumberger Technology Corporation | Filter cake cleanup and gravel pack methods for oil based or water based drilling fluids |
| US6325149B1 (en) * | 2000-02-22 | 2001-12-04 | Texas United Chemical Company, Llc. | Method of decreasing the loss of fluid during workover and completion operations |
| EP1783188A1 (fr) * | 2003-01-24 | 2007-05-09 | Halliburton Energy Services, Inc. | Fluide d'entretien renversable de puits de forage |
-
2004
- 2004-02-03 BR BRPI0407194-8A patent/BRPI0407194B1/pt not_active IP Right Cessation
- 2004-02-03 DE DE602004006515T patent/DE602004006515T2/de not_active Expired - Lifetime
- 2004-02-03 EP EP04707744A patent/EP1646702B1/fr not_active Expired - Lifetime
- 2004-02-03 MX MXPA05008070A patent/MXPA05008070A/es active IP Right Grant
- 2004-02-03 WO PCT/US2004/002969 patent/WO2004069958A1/fr active IP Right Grant
- 2004-02-03 AT AT04707744T patent/ATE362499T1/de not_active IP Right Cessation
- 2004-02-03 EA EA200501248A patent/EA009065B1/ru not_active IP Right Cessation
- 2004-02-03 CA CA2514592A patent/CA2514592C/fr not_active Expired - Fee Related
- 2004-02-03 US US10/772,550 patent/US7152697B2/en not_active Expired - Lifetime
-
2005
- 2005-09-01 NO NO20054062A patent/NO339213B1/no not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6218342B1 (en) * | 1996-08-02 | 2001-04-17 | M-I Llc | Oil-based drilling fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA05008070A (es) | 2005-09-21 |
| CA2514592A1 (fr) | 2004-08-19 |
| DE602004006515T2 (de) | 2007-09-06 |
| DE602004006515D1 (de) | 2007-06-28 |
| EA009065B1 (ru) | 2007-10-26 |
| BRPI0407194A (pt) | 2006-02-14 |
| NO20054062D0 (no) | 2005-09-01 |
| WO2004069958A1 (fr) | 2004-08-19 |
| EP1646702B1 (fr) | 2007-05-16 |
| ATE362499T1 (de) | 2007-06-15 |
| CA2514592C (fr) | 2010-03-23 |
| US20040176255A1 (en) | 2004-09-09 |
| US7152697B2 (en) | 2006-12-26 |
| NO20054062L (no) | 2005-11-03 |
| BRPI0407194B1 (pt) | 2014-10-07 |
| EA200501248A1 (ru) | 2006-02-24 |
| EP1646702A1 (fr) | 2006-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |